The correct answer is - Streets follow straight lines and often run north-south or east-west.
A city with a grid plan, is usually a city that has made a very good and practical urbanization. The grid plan in a city would mean that the streets are running in straight lines, north-south and east-west. The streets that go into one direction are parallel to each other, and with the streets that come sideways they are intersecting at a 90 degree angle.
This type of road structure in the city makes it much more easier for the movement of the people, as well as much more easier to orientate into the space. It is also safer because the view of the drivers is relatively big.
The correct answer for the question that is being presented above is this one: "Thomas Edison." Thomas Edison improved the incandescent light bulb and he made it possible to quit using oil lamps as a source of light, which sometimes unsafe.
Some push factors were the chance to get rich, Dry farming, owning land, escaping the nightmares of the south ( slaves ). There were also longhorns to sell. Some pull factors were relatives and spouses not wanting them to go.
